Pipe-making extrusion die

Abstract

The utility model relates to the technical field of pipe extrusion, in particular to a pipe extrusion die which comprises a die cylinder, an axis rod is installed at the position, close to the middle, of the inner wall of the bottom end of the die cylinder, four sets of electric push rods are installed at the positions, close to the edge, of the inner wall of the bottom end of the die cylinder, and placing grooves are formed in the four sets of electric push rods. And compression springs are mounted in the placement grooves. Through the arrangement of parts such as an electric push rod, a placement groove, a compression spring, a mounting plate, a connecting rod, a rolling ball, a placement disc, a mounting rod, a limiting ball, a supporting disc, a supporting rod, a jacking plate and an extrusion plate, the problems that when an existing extrusion mold conducts extrusion operation on a pipe, the extrusion plate is prone to shaking during extrusion operation, and the extrusion efficiency is high can be effectively solved. The problems that the normal extrusion operation of the extrusion plate on the pipe is influenced due to the fact that the extrusion plate is arranged on the pipe, and the pipe is deformed during extrusion operation seriously, so that unnecessary material loss is caused, and the working efficiency and the working quality of the extrusion operation are influenced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe making extrusion die technical field, concretely to a pipe making extrusion die. BACKGROUND

[0002] The extrusion die belongs to one kind of forming die, only its discharging mode is realized through the action of extrusion, is widely applied in aluminum profiled structure, is also used in plastic parts, is used for making pipe material or profiled material at the front end of the extruder, in short, the die is a tool for forming articles, the tool is composed of various parts, different dies are composed of different parts, it realizes the processing of article shape mainly through the change of the physical state of the formed material, and the plastic pipe extrusion die is a die for producing plastic pipe profile products with continuous shape, also called extrusion die, extrusion forming machine head or die head.

[0003] The existing extrusion die can be used for extruding pipe material, but the extrusion plate is prone to shaking during extrusion operation, which affects the normal extrusion operation of the extrusion plate on the pipe material, and in severe cases, the pipe material can be deformed during extrusion operation, resulting in unnecessary material loss and affecting the work efficiency and quality of the extrusion operation, so it is necessary to improve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a pipe making extrusion die to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a pipe making extrusion die, including the die cylinder, the die cylinder's bottom end inner wall is installed with the axle core rod in the position of the middle, and four groups of electric push rods are installed in the position of the edge of the bottom end inner wall of the die cylinder, the inside of four groups electric push rods is all set up with the placement groove, and the inside of placement groove is all installed with compression spring, one end of compression spring is all installed with the mounting plate, and the one side of mounting plate is all installed with the connecting rod, one end of connecting rod is all swing joint with the rolling ball, the other end of compression spring is all installed with the placement disc, and one end of placement disc is all installed with the mounting rod, one end of mounting rod is all swing joint with the limit ball, the top of four groups electric push rods is all installed with the top support plate, and the top of four groups top support plates is all installed with the bottom end of extrusion plate.

[0006] Preferably, the outer surface of the electric push rod is installed with a support disc above the placement groove, and the top of the support disc is installed with three groups of support rods.

[0007] Preferably, the three groups of support rods are centrally symmetrically arranged with the center point of the support disc as the center point, and the top of the three groups of support rods is installed with the bottom end of the top support plate.

[0008] Preferably, the placing grooves are arranged through the interior of the electric push rod.

[0009] Preferably, the outer surfaces of the rolling balls are arranged in close contact with the inner wall of the die cylinder.

[0010] Preferably, the outer surfaces of the limiting balls are arranged in close contact with the outer surface of the shaft rod.

[0011] Preferably, the extrusion plate is in the shape of a circular ring and is arranged in the interior of the die cylinder.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The arrangement of the electric push rod, the placing grooves, the compression springs, the mounting plates, the connecting rods, the rolling balls, the placing discs, the mounting rods, the limiting balls, the supporting discs, the supporting rods, the jacking plates and the extrusion plates can effectively solve the problem that the extrusion plate of the existing extrusion die is prone to shaking during extrusion operation, thereby affecting the normal extrusion operation of the extrusion plate on the pipe material, and in severe cases, the pipe material may be deformed during extrusion operation, thereby causing unnecessary material loss and affecting the work efficiency and work quality of the extrusion operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the die cylinder of the utility model.

[0016] Figure 3 It is Figure 2 It is an enlarged schematic diagram of the middle A.

[0017] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the electric push rod of the utility model.

[0018] In the figure: 1, die cylinder; 11, shaft rod; 2, electric push rod; 21, placing groove; 22, compression spring; 23, mounting plate; 24, connecting rod; 25, rolling ball; 26, placing disc; 27, mounting rod; 28, limiting ball; 29, supporting disc; 291, supporting rod; 292, jacking plate; 3, extrusion plate. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] According to Figures 1-4 As shown in the drawings, the device comprises a mold cylinder 1, a shaft rod 11 is installed at the middle position of the inner wall of the bottom end of the mold cylinder 1, and four groups of electric push rods 2 are installed at the edge position of the inner wall of the bottom end of the mold cylinder 1, the outer diameter of the shaft rod 11 can determine the inner diameter of the pipe material after injection molding is completed, the four groups of electric push rods 2 are centrally symmetrically arranged with the center point of the mold cylinder 1 as the center point, a placing groove 21 is formed in the inside of each of the four groups of electric push rods 2, a compression spring 22 is installed in the inside of the placing groove 21, an installation ring is installed at the middle position of the outer surface of the compression spring 22, and the compression spring 22 is installed with the inner wall of the placing groove 21 through the installation ring, so that the two ends of the compression spring 22 will not affect the normal compression or expansion change, the placing groove 21 penetrates the inside of the electric push rod 2, an installation plate 23 is installed at one end of the compression spring 22, a connecting rod 24 is installed at one side of the installation plate 23, a rolling ball 25 is movably hinged at one end of the connecting rod 24, the outer surface of the rolling ball 25 is arranged in close contact with the inner wall of the mold cylinder 1, a placing disc 26 is installed at the other end of the compression spring 22, an installation rod 27 is installed at one end of the placing disc 26, a limiting ball 28 is movably hinged at one end of the installation rod 27, the outer surface of the limiting ball 28 is arranged in close contact with the outer surface of the shaft rod 11, a top supporting plate 292 is installed at the top end of each of the four groups of electric push rods 2, and the top end of each of the four groups of top supporting plates 292 is installed with the bottom end of an extrusion plate 3, the shape of the extrusion plate 3 is a circular ring, and the extrusion plate 3 is arranged in the inside of the mold cylinder 1, a supporting disc 29 is installed at the position above the placing groove 21 of the outer surface of the electric push rod 2, three groups of supporting rods 291 are installed at the top end of the supporting disc 29, the three groups of supporting rods 291 are centrally symmetrically arranged with the center point of the supporting disc 29 as the center point, and the top end of each of the three groups of supporting rods 291 is installed with the bottom end of the top supporting plate 292, the supporting disc 29, the supporting rod 291 and the top supporting plate 292 can effectively support the extrusion plate 3, thereby improving the bearing capacity of the extrusion plate 3.

[0021] In use, the inside of the mold cylinder 1 can be injected into the pipe, and when the pipe is injected, the pipe will be placed in the inside of the mold cylinder 1 and placed at the top of the extrusion plate 3, at this time, the pipe needs to be extruded out of the inside of the mold cylinder 1, the specific steps are: the user can start four groups of electric push rods 2 at the same time, so that the four groups of electric push rods 2 can move upward under the action of the four groups of electric push rods 2, so that the extrusion plate 3 can move upward, so that the pipe can move upward, so that the pipe can be extruded out of the inside of the mold cylinder 1, when the pipe is completely moved out of the inside of the mold cylinder 1, the extrusion operation of the pipe is completed.

[0022] While the four groups of electric push rods 2 move upward, the four groups of rolling balls 25 will be attached to the inner wall surface of the mold cylinder 1 to move upward, and the four groups of limiting balls 28 will be attached to the outer surface of the shaft rod 11 to move upward, and under the setting action of the compression spring 22, the rolling ball 25 can be tightly attached to the inner wall surface of the mold cylinder 1, and the limiting ball 28 can be tightly attached to the outer surface of the shaft rod 11, so that the four groups of electric push rods 2 move upward more stably, so that the existing extrusion die can effectively solve the problem that the extrusion plate 3 is easily shaken during the extrusion operation, thereby affecting the normal extrusion operation of the pipe by the extrusion plate 3, and in severe cases, the pipe will be deformed during the extrusion operation, thereby causing unnecessary material loss, and further affecting the work efficiency and work quality of the extrusion operation.

[0023] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tube extrusion die, comprising a die cylinder (1), characterized in that: A spindle rod (11) is installed on the inner wall of the bottom end of the mold cylinder (1) near the middle position, and four sets of electric push rods (2) are installed on the inner wall of the bottom end of the mold cylinder (1) near the edge position. Each of the four sets of electric push rods (2) has a placement groove (21) inside, and a compression spring (22) is installed inside the placement groove (21). One end of each compression spring (22) is equipped with a mounting plate (23), and a connecting rod (24) is installed on one side of each mounting plate (23). One end of each connecting rod (24) is movably hinged with a rolling ball (25), and the other end of each compression spring (22) is equipped with a placement plate (26). One end of each placement plate (26) is equipped with an installation rod (27). One end of each installation rod (27) is movably hinged with a limit ball (28). The top ends of each of the four sets of electric push rods (2) are equipped with top support plates (292), and the top ends of each of the four sets of top support plates (292) are installed with the bottom end of the extrusion plate (3).

2. The tube extrusion die according to claim 1, characterized in that: The outer surface of the electric push rod (2) is equipped with a support plate (29) above the placement groove (21), and the top of the support plate (29) is equipped with three sets of support rods (291).

3. The tube extrusion die according to claim 2, characterized in that: The three sets of support rods (291) are arranged symmetrically with the center point of the support plate (29) as the center point, and the top of each of the three sets of support rods (291) is installed with the bottom of the top support plate (292).

4. The tube extrusion die according to claim 1, characterized in that: The placement slots (21) all penetrate the interior of the electric push rod (2).

5. A tube extrusion die according to claim 1, characterized in that: The outer surface of the rolling ball (25) is fitted to the inner wall of the mold cylinder (1).

6. A tube extrusion die according to claim 1, characterized in that: The outer surface of the limiting ball (28) is fitted to the outer surface of the shaft rod (11).

7. A tube extrusion die according to claim 6, characterized in that: The extrusion plate (3) is annular in shape and is located inside the mold cylinder (1).

Images